Home / 20,416,844.46-28,166,392.27-12,152,272.61

Finding the Fourth Proportional to 20,416,844.46, 28,166,392.27 and 12,152,272.61

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Solution

The fourth proportional to 20,416,844.46, 28,166,392.27 and 12,152,272.61 is: 16,764,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416,844.46 : 28,166,392.27 = 12,152,272.61 : x
  2. Step 2: Convert to fraction form
    20,416,844.46/28,166,392.27 = 12,152,272.61/x
  3. Step 3: Cross multiply
    20,416,844.46x = 28,166,392.27 × 12,152,272.61
  4. Step 4: Simplify right side
    20,416,844.46x = 342,285,677,305,236.69
  5. Step 5: Solve for x
    x = 342,285,677,305,236.69/20,416,844.46
  6. Step 6: Final answer
    x = 16,764,866.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.